639406688 is an even 9-digits composite number following 639406687
and preceding 639406689 . In scientific notation, it is written as 6.39406688 × 10^8.
The sum of its digits is 50. It has a total of 7 prime factors and 24 positive divisors.
There are 315199360 positive integers (up to 639406688) that are relatively prime to 639406688.
639406688 has 24 divisors, whose sum is 1276566480
The reverse of 639406688 is 886604936
Previous prime number is 71
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred thirty-nine million four hundred six thousand six hundred eighty-eight
Scientific notation
6.39406688 × 10^8
Engineering notation
6.39406688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 71 × 281429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
39962918
Product of the distinct prime numbers
The prime factorization of 639406688 is 2 × 2 × 2 × 2 × 2 × 71 × 281429.
Since it has a total of 7 prime factors.
8 , 5 , 96 , 28 , 482 , 922 , 608 , 4722 , 94358 , 79282 , 381606 , 244253 , 1819051 , 2396152 , 57001102 , 41618347 , 595609774 , 545617032 , 5961615085 , 7627391825
n×2
1278813376
n×3
1918220064
n×4
2557626752
n×5
3197033440
n÷2
319703344
n÷3
213135562.66667
n÷3
159851672
n÷5
127881337.6
n2
408840912659129344
n3
2.6141561388227E+26
n4
1.6715089186395E+35
n5
1.0687739816297E+44
2 √n
25286.492204337
3 √n
861.50749118785
4 √n
159.0172701449
5 √n
57.697292626858
1 , 2 , 4 , 8 , 16 , 32 , 71 , 142 , 284 , 568 , 1136 , 2272 , 281429 , 562858 , 1125716 , 2251432 , 4502864 , 9005728 , 19981459 , 39962918 , 79925836 , 159851672 , 319703344 , 639406688
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639406687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639406688 can be divided by 24 positive divisors.
The sum of these divisors (counting 639406688) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110000111001001001001100000
3
Ternary
1122120011020002012
4
Quaternary
212013021021200
5
Quinary
2302142003223
6
Senary
143240412052
8
Octal
4607111140
10
Decimal
639406688
12
Duodecimal
15a177028
16
Hexadecimal
261c9260
20
Vigesimal
9jg5ge8
36
Base36
akopcw
md5
7eb9508c5c68b4441a53cfb28ce24c75
sha1
6f3652f1d6df413d378b1e38f41351aa7c33427d
sha256
2c10fa4975cdb10a0d8cbca061f5a7b0006ff91ebcaac66ca3bd3b1333379532
sha512
2062df202ca7860252ed8d4700595a2f3321ab496e8bbd3e229776285ba3aceefcb026922af03c6862e64c210e89aca294ae1f12af7e4acab7179e6a81342df8
ripemd-160
4585b408c1026738706e9b9cb9e1edfa71afd27b
Diameter
1278813376
Circumference
4017510707.354
Area
1.2844116076969E+18
Volume
1.0950151628083E+27
Surface area
5.1376464307875E+18
Circumference
4017510707.354
Perimeter
2557626752
Area
408840912659129344
Diagonal
904257610.04166
Surface area
2453045475954776064
Volume
2.6141561388227E+26
Space diagonal
1107484870.3153
Perimeter
1918220064
Area
1.7703330823461E+17
Altitude
553742435.15767
Surface area
1.7703330823461E+17
Volume
3.0808125547366E+25
Height
301419203.34722